Much like Spider-Man, a gray tree frog (Hyla versicolor) can walk upside down on a smooth tree branch. This is thanks to its large, round toe pads that are equipped with special skin and mucous ...
Gray tree frogs also produce glycerol that serves as a kind of antifreeze, allowing them to "freeze" during hibernation. In addition, their scientific name, Hyla versicolor, references an ability to ...
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